How to prune campanula persicifolia

Deadhead throughout the flowering period (June–August); cut spent stems to ground after flowering. Snip individual spent blooms or entire stems back to where a side shoot is developing to prolong the display. Once all flowers are spent, cut main stems to ground level, leaving the basal rosette intact.

Deadhead every 1–2 weeks during summer; cut spent stems to ground once annually after flowering. Campanula persicifolia (peach-leaved bellflower) should be deadheaded regularly during its summer flowering period to extend blooming and significantly reduce prolific self-seeding. Cut individual flower spikes back to a side bud as blooms fade. After flowering ends, cut stems to the ground. Basal rosettes of foliage persist and are evergreen in mild climates.

Snip individual spent blooms or entire stems back to where a side shoot is developing to prolong the display. Once all flowers are spent, cut main stems to ground level, leaving the basal rosette intact.